Ken Takahashi

The Yokohama Rubber Co.: 14 patents #95 of 1,136Top 9%

PA Panasonic: 13 patents #1,866 of 21,108Top 9%

NT NTT: 12 patents #334 of 4,871Top 7%

Sumitomo Electric Industries: 11 patents #2,408 of 21,551Top 15%

NC Nhk Spring Co.: 9 patents #63 of 1,116Top 6%

AT AT&T: 6 patents #3,053 of 18,772Top 20%

KT Kabushiki Kaisha Toshiba: 6 patents #4,898 of 21,451Top 25%

TE Taiheiyo Engineering: 6 patents #1 of 13Top 8%

Yamaha: 6 patents #432 of 2,001Top 25%

Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%

SM Suzuki Motor: 3 patents #180 of 1,209Top 15%

LP L&L Products: 2 patents #21 of 58Top 40%

SK Sekisui Kagaku Kogyo: 2 patents #64 of 395Top 20%

HC Hitachi Cable: 2 patents #313 of 1,086Top 30%

Ricoh Company: 1 patents #6,936 of 9,818Top 75%

SS Sumitomo Wiring Systems: 1 patents #1,603 of 2,615Top 65%

ZE Zephyros: 1 patents #114 of 175Top 70%

DI Daikin Industries: 1 patents #1,764 of 2,957Top 60%

📍 Ishikawa, NJ: #1 of 2 inventorsTop 50%

Overall (All Time): #14,130 of 4,157,543Top 1%

101

Patents All Time

Issued Patents All Time

Showing 101–101 of 101 patents

Patent #	Title	Co-Inventors	Date
4189257	Sheltering apparatus for use in long wall mining	Shigeo Nakajima, Masao Tanaka, Nobuo Kiyama, Takao Kanno	1980-02-19